Home / 60,166.28-90,249.60-20,722.88

Finding the Fourth Proportional to 60,166.28, 90,249.60 and 20,722.88

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Solution

The fourth proportional to 60,166.28, 90,249.60 and 20,722.88 is: 31,084.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,166.28 : 90,249.60 = 20,722.88 : x
  2. Step 2: Convert to fraction form
    60,166.28/90,249.60 = 20,722.88/x
  3. Step 3: Cross multiply
    60,166.28x = 90,249.60 × 20,722.88
  4. Step 4: Simplify right side
    60,166.28x = 1,870,231,630.85
  5. Step 5: Solve for x
    x = 1,870,231,630.85/60,166.28
  6. Step 6: Final answer
    x = 31,084.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.